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2026-03-24 - 04:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Mar 24, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5917216898,7sleep30-21swapper/319:06:153
5141215293,54sleep20-21swapper/219:05:222
5874212566,6sleep00-21swapper/019:05:400
62082124115,6sleep10-21swapper/119:09:581
2757221180,5sleep0638099cyclictest19:25:180
272402650,0sleep30-21swapper/321:20:183
181442600,0sleep318149-21kthreadcore23:05:193
13202570,1sleep00-21swapper/000:17:000
125882560,0sleep00-21swapper/022:05:170
638599280,27cyclictest0-21swapper/122:02:351
638599280,27cyclictest0-21swapper/120:36:581
6387992720,6cyclictest0-21swapper/223:10:202
638799270,26cyclictest0-21swapper/220:37:522
638799270,26cyclictest0-21swapper/219:25:432
638599270,26cyclictest0-21swapper/123:40:061
638599270,26cyclictest0-21swapper/122:20:091
638599270,26cyclictest0-21swapper/122:15:321
638599270,26cyclictest0-21swapper/121:02:181
638599270,26cyclictest0-21swapper/120:34:221
638599270,26cyclictest0-21swapper/119:41:521
638599270,26cyclictest0-21swapper/119:39:011
638799260,25cyclictest0-21swapper/223:51:532
638799260,25cyclictest0-21swapper/221:23:052
638599260,25cyclictest0-21swapper/123:04:061
638599260,25cyclictest0-21swapper/121:48:021
638599260,25cyclictest0-21swapper/121:41:291
638599260,25cyclictest0-21swapper/120:54:101
6387992523,2cyclictest0-21swapper/222:57:502
638799251,23cyclictest0-21swapper/221:52:592
638799250,24cyclictest0-21swapper/219:45:302
6385992523,2cyclictest0-21swapper/122:27:591
6385992523,2cyclictest0-21swapper/121:31:261
638599250,24cyclictest0-21swapper/121:17:231
638599250,24cyclictest0-21swapper/100:05:341
6387992417,7cyclictest0-21swapper/223:44:362
638799240,17cyclictest16841-21apt22:10:132
6385992422,2cyclictest0-21swapper/122:34:171
6385992422,2cyclictest0-21swapper/121:24:441
6385992422,2cyclictest0-21swapper/121:05:441
6385992421,2cyclictest0-21swapper/122:41:591
6380992418,6cyclictest0-21swapper/021:40:590
6387992321,2cyclictest0-21swapper/219:16:102
638799231,21cyclictest0-21swapper/223:34:512
638799231,21cyclictest0-21swapper/221:36:172
638799231,21cyclictest0-21swapper/219:37:432
6385992321,2cyclictest0-21swapper/123:36:441
6385992321,2cyclictest0-21swapper/123:05:111
6385992321,2cyclictest0-21swapper/119:12:541
638099231,20cyclictest22236-21munin-plugin-st22:15:000
6387992220,2cyclictest0-21swapper/219:54:222
638799220,21cyclictest0-21swapper/223:55:172
638799220,21cyclictest0-21swapper/223:45:292
638799220,21cyclictest0-21swapper/223:25:562
638799220,21cyclictest0-21swapper/222:37:182
638799220,21cyclictest0-21swapper/222:09:142
6385992215,7cyclictest0-21swapper/123:45:121
638599220,21cyclictest0-21swapper/123:54:361
638599220,21cyclictest0-21swapper/119:27:221
638599220,21cyclictest0-21swapper/100:04:181
6380992217,4cyclictest749-21snmpd20:46:480
638799213,14cyclictest0-21swapper/219:55:222
6387992120,1cyclictest0-21swapper/200:25:002
6387992119,2cyclictest0-21swapper/223:16:002
6387992119,1cyclictest749-21snmpd22:22:592
6387992119,1cyclictest749-21snmpd21:40:262
6387992119,1cyclictest749-21snmpd21:19:382
6387992118,2cyclictest0-21swapper/220:05:552
6387992117,3cyclictest0-21swapper/221:08:082
6387992117,2cyclictest4512-21basename19:35:002
638799211,3cyclictest0-21swapper/220:43:252
638799210,8cyclictest0-21swapper/222:50:132
638799210,20cyclictest0-21swapper/223:35:052
638799210,20cyclictest0-21swapper/220:29:492
638599217,8cyclictest22425-21smartctl19:50:151
6385992119,2cyclictest0-21swapper/122:11:411
6385992118,2cyclictest0-21swapper/120:46:121
6385992118,2cyclictest0-21swapper/120:24:131
638599211,16cyclictest0-21swapper/100:20:111
638599210,3cyclictest0-21swapper/121:11:381
638599210,3cyclictest0-21swapper/100:30:491
638599210,20cyclictest0-21swapper/123:16:211
638599210,20cyclictest0-21swapper/122:55:321
638599210,20cyclictest0-21swapper/119:56:111
638599210,20cyclictest0-21swapper/100:14:271
6380992118,2cyclictest749-21snmpd23:33:170
638099210,20cyclictest0-21swapper/019:10:250
638099210,16cyclictest0-21swapper/020:23:560
638799207,8cyclictest0-21swapper/221:55:122
6387992018,1cyclictest749-21snmpd23:21:142
6387992018,1cyclictest749-21snmpd22:46:472
6387992018,1cyclictest749-21snmpd22:26:442
6387992018,1cyclictest749-21snmpd20:57:252
6387992018,1cyclictest749-21snmpd00:35:432
6387992018,1cyclictest749-21snmpd00:02:542
6387992018,1cyclictest25287-21cat20:50:182
6387992017,1cyclictest752-21lldpd20:16:122
6387992016,3cyclictest0-21swapper/222:04:172
6387992016,3cyclictest0-21swapper/221:33:322
6387992016,3cyclictest0-21swapper/219:22:332
6387992014,5cyclictest0-21swapper/220:10:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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